/* Copyright (C) 2001-2015 Peter Selinger.
 *  This file is part of Potrace. It is free software and it is covered
 *  by the GNU General Public License. See the file COPYING for details. */


#ifndef RENDER_H
#define RENDER_H

#include "greymap.h"

struct render_s
{
    greymap_t* gm;
    double x0, y0, x1, y1;
    int x0i, y0i, x1i, y1i;
    double a0, a1;
    int* incrow_buf;
};
typedef struct render_s render_t;

render_t*   render_new( greymap_t* gm );
void        render_free( render_t* rm );
void        render_close( render_t* rm );
void        render_moveto( render_t* rm, double x, double y );
void        render_lineto( render_t* rm, double x, double y );
void        render_curveto( render_t* rm,
        double x2,
        double y2,
        double x3,
        double y3,
        double x4,
        double y4 );

#endif /* RENDER_H */
